[hobbit] temperature script compatible with Hobbit

[Charles Jones]

I figured I would share the script and setup that I am now using,  Note 
that the script is for use with lm_sensors on linux machines, and 
tailored for my particular setup (different servers have different 
sensors and thus the temperature parsing section may have to be changed).

Here is the script itself:
#!/bin/sh

# THRESHOLD VALUES FOR TEMPERATURE
YTMP=72
RTMP=80
#
SENSORS="/usr/bin/sensors -f"
STMP=${BBTMP}/SENSE.$$
COLOR=green
MSG=default
#
${SENSORS} > ${STMP}
# PARSE TEMPERATURE INFORMATION.
TMP=`${GREP} -i temp ${STMP}|cut -d"(" -f1|cut -d"?" -f1|cut -d"+" 
-f2|cut -d"." -f1`
    if [ ${TMP} -lt ${YTMP} ];
    then
        COLOR=green
        MSG="The Temperature is currently ${TMP}F, which does not exceed 
the Warning level (${YTMP}F)"
    fi
    if [ ${TMP} -gt ${YTMP} ] && [ ${TMP} -lt ${RTMP} ];
    then
        COLOR=yellow
        MSG="The Temperature is currently ${TMP}F, which is exceeds the  
Warning level (${YTMP}F)"
    fi
    if [ ${TMP} -gt ${RTMP} ];
    then
        COLOR=red
        MSG="The Temperature is currently ${TMP}F, which exceeds the 
Panic level (${RTMP}F!)"
    fi
rm ${STMP}

$BB $BBDISP "status $MACHINE.temp $COLOR `date`
$MSG
temp : $TMP
"

The script is launched via this addition to clientlaunch.cfg on the 
remote machine:
[temp]
        ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg
        CMD $HOBBITCLIENTHOME/ext/temp.sh
        INTERVAL 5m

On the server, here is the addition to hobbitgraph.cfg:
[temp]
        TITLE Temperature
        YAXIS Degrees Farenheit
        DEF:t=temp.rrd:temp:AVERAGE
        LINE2:t#@COLOR@:Ambient Temp
        GPRINT:t:LAST: \: %5.1lf (cur)
        GPRINT:t:MAX: \: %5.1lf (max)
        GPRINT:t:MIN: \: %5.1lf (min)
        GPRINT:t:AVERAGE: \: %5.1lf (avg)\n

Let's not forget the additions to hobbitserver.cfg:
TEST2RRD="cpu=la,disk,inode,qtree,memory,$PINGCOLUMN=tcp,http=tcp,dns=tcp,dig=tcp,time=ntpstat,vmstat,iostat,netstat,temperature,apache,bind,sendmail,mailq,nmailq=mailq,socks,bea,iishealth,citrix,bbgen,bbtest,bbproxy,hobbit,hobbitd,files,procs=processes,ports,clock,lines*,temp=ncv*"
GRAPHS="la,disk,inode,qtree,files,processes,memory,users,vmstat,iostat,tcp.http,tcp,ncv,netstat,ifstat,mrtg::1,ports,temperature,ntpstat,apache,bind,sendmail,mailq,socks,bea,iishealth,citrix,bbgen,bbtest,bbproxy,hobbit,hobbitd,clock,lines*,temp*"
*NCV_temp="temp:GAUGE"*

I also put a custom rules in hobbit-alerts.cfg:
# Temp alerts
HOST=myhost.mydomain.com SERVICE=temp
        MAIL $SYSADMINS color=yellow REPEAT=60 RECOVERED NOTICE
        MAIL $SYSADMINS,$SYSADMINS-PAGERS color=red RECOVERED NOTICE
        MAIL $BOSS color=red DURATION>60 RECOVERED format=sms

-Charles



Ralph Mitchell wrote:
> On 7/25/07, Charles Jones <jonescr at cisco.com> wrote:
>> I'm looking for a temperature script suitable for linux machines (using
>> lm_sensors). I found a couple on deadcat but none of them seemed to work
>> very well.  I hacked on one and got basic temperature monitoring
>> working, but no graphs because the output is not in whatever format
>> Hobbits do_temp rrd module is expecting.
>>
>> Does anyone have an lm_sensors script that both alerts on temp
>> thresholds and is compatible with Hobbits rrd graphing? I tried seaching
>> TheShire with no luck.
>
>
> Found this in old email (Dec 06):
> Jerry Yu <jjj863 at gmail.com>    
> never mind, I found the answers in the source code,
> rrd/do_temperature.c. [[ All hail goes to Open Source & Henrik! ]]
> 1. a lump-all status command will do. Format of the data portion is
> somewhat restrictive '&green BMCambient 17 62\n&yellow BMCriserCard 32
> 93'. It'd be nice to have such format documented elsewhere other than
> the source code.
> 2. if  'temperature' is used as 'test name', nothing needs to be done.
> 3. the check can be done locally on the client and the overall $status
> is reported by 'status server1.temperature $status'.
>
> So, if the script you hacked up can be persuaded to send a status
> message that looks something like:
>
>     $BB $BBDISP status "server,domain,com.temperature `date`
>        &<color>  <variable_name> <temp_in_celsius>  <temp_in_fahrenheit>"
>
> you could get graphs.  I'm away from my work machines right now, so
> the above may be a little lacking.
>
> Alternatively, try the NCV option.  Once a status message is set up to
> be pushed through the ncv module, all you need in the status message
> is:
>
>     <variable name> : <value>
>
> Anything on the line before the colon becomes the variable name,
> anything after the colon is the value that gets stored.
>
> Ralph Mitchell
>
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